LEASES · O-10-41788 · OIL · DISTRICT 08
Big Chief
No volume since Jul 2012COG Operating LLC · Reeves County · Wolfbone (Trend Area) field
Big Chief is an RRC oil lease (O-10-41788) in Reeves County operated by Cog Operating LLC, with 2 wells completed on it.
It has reported 8.53K barrels of oil and 5.72K mcf of gas since June 2011, last reporting volume in July 2012 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in July 2012.
- 8.53K
- bbl oil, all reported
- 5.72K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 2.46K
- peak month, bbl (Feb 2012)
PDQ LEASE REPORTS · FIRST JUN 2011 · LAST VOLUME JUL 2012 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
Last 12 months 0 · prior 12 0
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
Last 12 months 0 · prior 12 0
Who reported it
Each run of months one operator filed the production report, oldest first.
- COG Operating LLCJun 2011 → Sep 2014 · 40 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Not on Schedule
- 1
- Plugged
- 1
Operates them now
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
Developers: this page as JSON is GET /v1/data/leases/tx/o-10-41788, documented in the API reference.